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Minification is the process of removing all unnecessary characters from the source code of interpreted programming languages or markup languages without changing its functionality. These unnecessary characters usually include whitespace characters, new line characters, comments, and sometimes block delimiters, which are used to add readability to the code but are not required for it to execute. Minification reduces the size of the source code, making its transmission over a network more efficient. In programmer culture, aiming at extremely minified source code is the purpose of recreational code golf competitions and a part of the demoscene.